Marine Instruments

Nautical instruments for your iPhone. Monitor attitude, pressure, and sea conditions with real-time data and automatic weather-pressure alerts.

Marine Instruments transforms your iPhone into a professional-grade nautical instrument panel, providing real-time attitude indication, barometric pressure monitoring, and comprehensive trip logging for sailors and boaters.

ATTITUDE INDICATOR • Real-time pitch, roll, and yaw display with aircraft-style horizon reference • Maximum heel angle tracking for port and starboard • Calibrate to any orientation with a simple double-tap • Motion graph showing historical pitch, roll, and yaw data

BAROMETER • Precise atmospheric pressure readings in hPa • Visual pressure trend indicator • Automatic storm warning alerts when pressure changes rapidly (>1.5 hPa/hour) • Audio and haptic alarms for sudden pressure drops

TRIP LOG • Distance traveled in nautical miles • Current, average, and maximum speed in knots • Trip duration tracking • GPS-based position recording

SEA STATE ESTIMATION • Beaufort scale indicator (0-12) • Wave height estimation based on vessel motion analysis • Color-coded sea state visualization

ADDITIONAL FEATURES • Night Mode with red display for preserving night vision • Interactive map showing your recorded track and data points • Continuous background recording of all sensor data • Full-screen display without distractions

PROFESSIONAL MARINE TOOLS Whether you're coastal cruising, offshore sailing, or just curious about conditions on your boat, Marine Instruments provides the data you need in a clean, easy-to-read format designed for use in challenging conditions.

Perfect for: • Sailors monitoring heel angle and weather changes • Powerboaters tracking trip statistics • Anyone interested in atmospheric pressure trends • Marine weather enthusiasts

Note: For accurate readings, the device should be securely mounted in a fixed position on your vessel.